# A149044 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 10
4 37
5 141
6 581
7 2410
8 10360
9 44924
10 198919
11 886599
12 4001741
13 18167569
14 83200913
15 382777451
16 1771864969
17 8233910451
18 38441078019
19 180044247192
20 846284724044
21 3988788929314
22 18854489257593
23 89329187127811
24 424223002744866
25 2018647242982408
26 9624634711205182
27 45967961675464498